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3 years ago

Find the slope of the following graph • -8 • -1/8 • 1/8

Mathematics

2 answers:

amid [387]3 years ago

5 0

-1/8 is the answer.
Enjoy the holidays!

saw5 [17]3 years ago

3 0

Answer: -1/8

This is the equation for slope: m= rise/run

This relates to getting from one point to another. Rise is how many units you have to go up/down to get from the first point to the second. Run is how many units left and right to get from the same points.

We will be looking at points (4,1) and (-4,2)

You have to go up 1 point and over 8. This will be 1/8. But, since this is a negative slope (values are decreasing), our slope will be -1/8

Hope this helps comment below for more questions :)

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Use the following information to determine your answer: The length of a movie falls on a normal distribution. About 95% of movie

Elenna [48]

Answer:

$75= 119 -1.96 \sigma$

$\sigma = \frac{75-119}{-1.96}= 22.45$

And tha's equivalent to use this formula:

$163= 119 +1.96 \sigma$

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Step-by-step explanation:

For this case the 95%of the values are between the following two values:

(75 , 163)

And for this case we know that the variable of interest X "length of a movie" follows a normal distribution:

$X \sim N( \mu, \sigma)$

We can estimate the true mean with the following formula:

$\mu = \frac{75+163}{2}= 119$

Now we know that in the normal standard distribution we know that we have 95% of the values between 1.96 deviations from the mean. We can find the value of the deviation with this formula:

$75= 119 -1.96 \sigma$

$\sigma = \frac{75-119}{-1.96}= 22.45$

And tha's equivalent to use this formula:

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$\sigma = \frac{163-119}{1.96}= 22.45$

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Step-by-step explanation:

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